Which of the following are roles of the winbindd service? (Choose TWO correct answers)

A.
Maintain mappings between Unix UID/GID and Windows SID.

B.
Retrieve the user’s password from the Windows server.

C.
Add machine accounts to the idmap table.

D.
User authentication by querying a Windows server.

E.
Proxy the request of the WINS search to the appropriate Windows server.